Bearings
Angular Contact Bearings
UKF Angular Contact Bearings
Quick Code: BB-384436
K55.A16.I/1 UKF Angular Contact Ball Bearing
The K55.A16.I/1 is a high-precision, open double-row angular contact ball bearing from UKF, engineered for demanding industrial applications. Featuring a 16-degree contact angle and 55mm inner diameter, this bearing combines exceptional performance with reliable durability in high-speed and misalignment-prone environments.
Key Features:
- High Precision Design – Delivers low noise operation and consistent performance in critical applications
- Double Row Configuration – Provides enhanced load capacity and improved stability
- 16 Degree Contact Angle – Enables effective handling of misalignment while supporting high radial and axial loads
- Standard Bearing Steel – Manufactured from quality materials for long-term reliability and durability
- 55mm Inner Diameter – Compact mid-range size suitable for versatile industrial mounting applications
- Open Design with Separating Balls – Cage-free construction allows for flexible installation and reduced friction
- Standard Clearance – Optimized for typical operating conditions
- Operating Temperature Range: -20°C to +120°C
Technical Specifications:
- Outer Diameter: 85mm
- Width: 21mm
- Tolerance Class: Inner ring more accurate than P4 (ABEC 7), outer ring more accurate than P5 (ABEC 5)
- Sealing: Open bearing (unsealed)
- Outer Ring: Without flange or groove
Typical Applications:
Ideal for high-speed machinery, spindle bearings, pump shafts, electric motors, and equipment requiring misalignment compensation. Suitable for sectors including manufacturing, automotive, aerospace, and general industrial equipment where precision, low noise operation, and reliability are essential.
With its high-precision engineering, the K55.A16.I/1 delivers excellent performance for applications demanding low noise, high speeds, or frequent misalignment tolerance. Contact our technical team for expert guidance to ensure this bearing is the right fit for your specific application requirements.

